17 entries under instantaneity topic. ×
| immediate(adjective, time, direct, fast, precise) | |
| instant(adjective, time, direct, prompt, precise) | |
| hasty(adjective, fast, impulsive, summary, swift) | |
| abrupt(adjective, direct, fast, impulsive, summary) | |
| momentary(adjective, brief, immediate, transient) | |
| sudden(adjective, fast, summary, swift, immediate) | |
| precipitate(verb, adjective, summary, rapid, swift) | |
| precipitous(adjective, sudden) | |
| discontinuous | |
| quick as lightning(expression, idiom) | |
| quick as thought(expression, idiom) | |
| precipitant | |
| be instantaneous(expression, idiom) | |
| flash | |
| rapid as electricity(expression, idiom) | |
| subitaneous | |
| twinkle |
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| APA | Smart Define. (2016). instantaneous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/instantaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "instantaneous thesaurus" https://smartdefine.org/instantaneous/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, instantaneous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/instantaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "instantaneous thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/instantaneous/thesaurus/synonyms> |